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Patent directory · USPTO A61K / A61P

Browse patents

Browse 30,257 pharma-relevant patents (US A61K/A61P) linked to tracked companies, drugs, and pipeline programs.

Patents indexed 30,257
Companies 1,769
Drugs linked 4,797

Quick answer

NovaPharmaNews indexes 30,257 US pharmaceutical patents from USPTO PatentsView (CPC A61K/A61P), cross-linked to company assignees, drug INN profiles, and pipeline programs. Search by patent number, applicant, title, or CPC code — or use facet hubs for expiring patents, assignees, and therapeutic areas.

Patent results

Page 1217 of 1,261

  1. US 6306851

    Cyclocarbamate and cyclic amide derivatives

    Ligand Pharmaceuticals Incorporated · Granted Oct 23, 2001 · Expires Oct 18, 2021

    expired

  2. US 6306436

    Stabilized, acid-free formulation for sustained release of bupropion hydrochloride

    Teva Pharmaceuticals USA, Inc. · Granted Oct 23, 2001 · Expires Oct 18, 2021

    expired

  3. US 6306598

    Nucleic acid-coupled colorimetric analyte detectors

    The Regents of the University of California · Granted Oct 23, 2001 · Expires Oct 18, 2021

    expired

  4. US 6307090

    Acylated oligopeptide derivatives having cell signal inhibiting activity

    The United States of America, as represented by the Department of Health and Human Services · Granted Oct 23, 2001 · Expires Oct 18, 2021

    expired

  5. US 6307075

    Therapeutically effective 1.alpha., 25-dihydroxyvitamin D3 analogs

    The Regents of the University of California · Granted Oct 23, 2001 · Expires Oct 18, 2021

    expired

  6. US 6305380

    Method for treatment of cancer and infectious disease

    Maxim Pharmaceuticals, Inc. · Granted Oct 23, 2001 · Expires Oct 18, 2021

    expired

  7. US 6306444

    Flowable drug precursor products ready for pressing for tablets, pellets and sugar-coated tablets and processes for preparing the same

    BIONORICA ARZNEIMITTEL GMBH · Granted Oct 23, 2001 · Expires Oct 18, 2021

    expired

  8. US 6306922

    Photopolymerizable biodegradable hydrogels as tissue contacting materials and controlled-release carriers

    Boards of Regents, The University of Texas System · Granted Oct 23, 2001 · Expires Oct 18, 2021

    expired

  9. US 6303604

    Pharmaceutical composition comprising 2,4-diamino-6-benzyloxy-s-triazine and inactivation of O6-alkylguanine-DNA-alkyltransferase

    The United States of America, as represented by the Department of Health and Human Services · Granted Oct 16, 2001 · Expires Oct 11, 2021

    expired

  10. US 6303650

    Aminoindan derivatives

    TEVA PHARMACEUTICAL INDUSTRIES, LTD. · Granted Oct 16, 2001 · Expires Oct 11, 2021

    expired

  11. US 6303130

    Pasteurella haemolytica vaccine inactivated by ultraviolet light

    The United States of America, as represented by the Secretary of Agriculture · Granted Oct 16, 2001 · Expires Oct 11, 2021

    expired

  12. US 6303331

    Vertebrate apoptosis gene: compositions and methods

    THE REGENTS OF THE UNIVERSITY OF MICHIGAN · Granted Oct 16, 2001 · Expires Oct 11, 2021

    expired

  13. US 6303640

    Pharmaceutical composition

    Takeda Chemical Industries Ltd. · Granted Oct 16, 2001 · Expires Oct 11, 2021

    expired

  14. US 6303575

    Indolicidin analogs and methods of using same

    The Regents of the University of California · Granted Oct 16, 2001 · Expires Oct 11, 2021

    expired

  15. US 6303336

    Herpes virus entry receptor protein

    Northwestern University · Granted Oct 16, 2001 · Expires Oct 11, 2021

    expired

  16. US 6303334

    Nucleic acid encoding a transdominant negative retroviral integrase

    THE REGENTS OF THE UNIVERSITY OF MICHIGAN · Granted Oct 16, 2001 · Expires Oct 11, 2021

    expired

  17. US 6300104

    Secretory immunoglobulin produced by single cells and methods for making and using same

    The Regents of the University of California · Granted Oct 9, 2001 · Expires Oct 4, 2021

    expired

  18. US 6300470

    Antibiotic cryptdin peptides and methods of their use

    The Regents of the University of California · Granted Oct 9, 2001 · Expires Oct 4, 2021

    expired

  19. US 6300317

    Self-assembling polynucleotide delivery system

    The Regents of the University of California · Granted Oct 9, 2001 · Expires Oct 4, 2021

    expired

  20. US 6300111

    Constitutively active phosphatidylinositol 3-kinase and uses thereof

    The Regents of the University of California · Granted Oct 9, 2001 · Expires Oct 4, 2021

    expired

  21. US 6300101

    Methods and compositions including a 13kD B. burgdorferi protein

    The Board of Regents of the University of Texas System · Granted Oct 9, 2001 · Expires Oct 4, 2021

    expired

  22. US 6299898

    Methods and compositions for the treatment of wounds

    THE REGENTS OF THE UNIVERSITY OF MICHIGAN · Granted Oct 9, 2001 · Expires Oct 4, 2021

    expired

  23. US 6299904

    Solid pharmaceutical preparation

    Takeda Chemical Industries Ltd. · Granted Oct 9, 2001 · Expires Oct 4, 2021

    expired

  24. US 6299897

    Inhibition of selectin binding

    The Regents of the University of California · Granted Oct 9, 2001 · Expires Oct 4, 2021

    expired

Frequently asked questions

What patents are included in this directory?

We index 30,257 published US pharma-relevant patents filtered to CPC classes A61K and A61P, with assignee links to our company directory where a match exists.

How do I search for a patent?

Use the search box to match patent number, title, applicant name, or CPC classification (e.g. A61K). For cross-entity queries spanning news and drugs, use the global search.

How is this different from the patent intelligence dashboard?

The dashboard at /patents highlights expirations, recent grants, and assignee rankings. Browse is the full paginated directory with search — best for looking up a specific filing or applicant portfolio slice.

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